Michael Kors Grayson vs. Pebble Time 2 vs. Garmin Vivofit 4 vs. Polar Loop vs. Michael Kors Grayson vs. Amazfit GTR

 
Grayson
Time 2
Vivofit 4
Loop
Grayson
GTR
 Michael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$350$199$79.95$100$350$199
Release201820162018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours10 days1 year5 days24 hours24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NA88 x 88NA453x454454 x 454
Size1.39 inchesNANANA1.39 inches1.39 inches
Touch
TypeAMOLEDe-paperNALEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM3 ATM5 ATM2 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearPebble OSNAAndroid WearBuild-in
Apps
Music

All Wearables